| 摘要 |
18892/A Novel imidazoles Novel imidazoles of formula I (I) wherein R1 and R4 are lower alkyl, lower alk-2-en-1-yl or lower alk-2-yn-1-yl, R2 and R3 are each independently of the other hydrogen or lower alkyl or together form lower alkylidene, and R5 and R6 are each hydrogen or lower alkyl or together form oxo, and R5' and R6' have the same definitions as R5 and R6. with the proviso that at least one of the substituent R5 and R6 or R5' and R6' together form oxo, and salts thereof, processes for the preparation of the said compounds, pharmaceutical compositions comprising them and the use thereof as medicinal active ingre-dients.
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